Net loss $ (773,046) $ (888,663) $ (294,040) Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization 947,099 422,590 231,931 Stock-based compensation 334,225 197,999 156,496 Amortization of discount on convertible debt 87,286 72,063 69,734 Inventory write-downs 65,520 44,940 15,609 Loss on disposal of property and equipment 34,633 37,723 14,178 Foreign currency transaction (gain) loss (29,183) 55,765 (1,891) Gain on the acquisition of SolarCity (88,727) Non-cash interest and other operating activities (7,775) 26,373 7,471 Changes in operating assets and liabilities, net of effect of business combinations Accounts receivable (216,565) 46,267 (183,658) Inventories and operating lease vehicles (2,465,703) (1,573,860) (1,050,264) Prepaid expenses and other current assets 56,806 (29,595) (60,637) MyPower notes receivable 3,468 Other assets (52,821) (24,362) (4,493) Accounts payable and accrued liabilities 750,640 263,345 414,856 Deferred revenue 382,962 322,203 209,681 Customer deposits 388,361 36,721 106,230 Resale value guarantee 326,934 442,295 249,492 Other long-term liabilities 132,057 23,697 61,968 Net cash flows from operating activities (123,829 (524,499 (57,337) Cash flows from investing activities: Purchases of property and equipment excluding capital leases, net of sales (1,280,802) (1,634,850) (969,885) Purchase of solar energy system, to be leased (159,669) Purchase of short-term investments and marketable securities (205,841) Maturities of short-term marketable securities 16,667 189,131 Increase in restricted cash (206,149) (26,441) (3,849) Cash acquired through (used in) business combinations 213,523 (12,260) Net cash flows from investing activities $(1,416,430) $(1,673,551) $ (990,444)